1)   Japan Riddles 1.54 Japan Riddles is a computer variant of popular puzzles known as Nonograms, Griddlers, Paint by Numbers or Japan Crossword Puzzles. Goal is to draw a picture discovering what cells to paint based on numbers on the left and top of the picture. 2)   Art of Japan Crossword 2.0 One of the most comfortable and easy-to-use program for solving Japan Crosswords (puzzles also known as nonograms, griddlers, paint-by-numbers). Discover beautiful pictures, coded by numbers. Open the door in a world of art, logic and pleasure.